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Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2446358918

Certificate GIA 2446358918

Diamond specifications and retailer prices

From $5,042 NZD
As of November 6, 2026
Save $6,624 NZD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,666 NZD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2446358918. Listed at 14 retailers as of November 5, 2026, with prices from $5,042 to $11,666, a $6,624 spread on the same certified stone. Diamond Quarter lists it at $11,666. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2446358918
Dimensions6.96 × 6.93 × 4.35 mm
L/W Ratio1.00
Top View
6.96 mm6.93 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2446358918
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,237 NZD|Low: $5,042 NZD|High: $9,829 NZD|Avg: $6,423 NZD|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 14$5,042 NZD
Retailer 11$5,069 NZD
Retailer 6$5,195 NZD
Retailer 1$5,237 NZD
Retailer 5$5,630 NZD
Retailer 7$5,754 NZD
Retailer 13$5,846 NZD
Retailer 12$5,886 NZD
Retailer 9$6,460 NZD
Retailer 3$6,496 NZD
Retailer 2$6,543 NZD
Retailer 8$6,550 NZD
Retailer 10$9,387 NZD
Retailer 4$9,808 NZD

28 data points across 14 retailers

14 retailers$5,042 NZD to $11,666 NZD

A
Cheapest Retailer
-
$5,042 NZD
A
Retailer 2
-
$5,069 NZD
View
A
Retailer 3
-
$5,195 NZD
View
Final sale: no returns
A
Retailer 4
-
$5,237 NZD
View
A
Retailer 5
-
$5,630 NZD
View
A
Retailer 6
-
$5,754 NZD
View
A
Retailer 7
-
$5,846 NZD
View
A
Retailer 8
-
$5,886 NZD
View
A
Retailer 9
-
$6,460 NZD
View
B+
Retailer 10
-
$6,496 NZD
View
A
Retailer 11
-
$6,550 NZD
View
B+
Retailer 12
-
$9,387 NZD
View
B
Retailer 13
-
$9,808 NZD
View
Most Expensive
B
Diamond Quarter
1.3SI2H24182CB9N · Nov 5
$11,666 NZD
£5,092 GBP
View
13 more retailers have this diamond
Prices start from $5,042 NZDSave up to $6,624 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.30ct Round
$5,042 NZD